Question 1

Calculate the pressure in a water bubble of diameter 0.04 cm, and compare that with the pressure in the same diameter bubble of water-and-surfactant, which reduces surface tension by half. The surface tension of water is ó = 0.073 N/m.

Accepted Answer

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Question 2

The fisher spider (Dolomedes triton), with mass of 0.7 g, walks on the water with eight legs. What length of each leg is in contact with the water so that the spider stays on the surface? Ignore the width of the leg; take into account only that each leg has two sides in contact with water. The surface tension of water is ó = 0.073 N/m.

Accepted Answer

The answer of The fisher spider (Dolomedes triton), with mass...

Quiz 11: Static Fluids

Calculate the pressure in a water bubble of diameter 0.04 cm, and compare that with the pressure in the same diameter bubble of water-and-surfactant, which reduces surface tension by half. The surface tension of water is ó = 0.073 N/m.